Home / 5,811.24-8,019.55-3,158.64

Finding the Fourth Proportional to 5,811.24, 8,019.55 and 3,158.64

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Solution

The fourth proportional to 5,811.24, 8,019.55 and 3,158.64 is: 4,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.24 : 8,019.55 = 3,158.64 : x
  2. Step 2: Convert to fraction form
    5,811.24/8,019.55 = 3,158.64/x
  3. Step 3: Cross multiply
    5,811.24x = 8,019.55 × 3,158.64
  4. Step 4: Simplify right side
    5,811.24x = 25,330,899.36
  5. Step 5: Solve for x
    x = 25,330,899.36/5,811.24
  6. Step 6: Final answer
    x = 4,358.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.